Mens Premium Cowhide Leather VENTED Scooter Jacket (Black, L) Made of 1.2mm premium cowhide leather Zippered Vents on front & back, Shoulder patches Zip-out liner, zippered cuffs Side laces for additional size adjustment, lower kidney back Sizing - S/40 - M/42 - L/44 - XL/46 - 2X/48 - 3X/52 - 4X/56 - 5X/60, In order to get the correct size and avoid size exchanges order the next size up for example if you measure a 48 chest order size 3X which is a 50 chest and so on